Latest Android 12 user agents:

User Agent Browser Device
Mozilla/5.0 (Linux; Android 12; Pixel 5a Build/SP2A.220505.002; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.160 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/561.0.0.3.67;] Facebook 561 Pixel 5a
[FBAN/FB4A;FBAV/561.0.0.42.67;FBBV/968461656;FBDM/{density=2.625,width=1080,height=2131};FBLC/en_US;FBRV/972559628;FBCR/Vi India;FBMF/samsung;FBBD/samsung;FBPN/com.facebook.katana;FBDV/SM-M315F;FBSV/12;FBOP/19;FBCA/arm64-v8a:;] Facebook 561 Galaxy M31
Mozilla/5.0 (Linux; Android 12; Pixel 6 Pro Build/SP2A.220405.004;) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Mobile Safari/537.36 Chrome Webview 94 Pixel 6 Pro
[FBAN/FB4A;FBAV/555.0.0.49.59;FBBV/926292971;FBDM/{density=1.375,width=480,height=894};FBLC/en_US;FBRV/935686791;FBCR/Assurance Wireless;FBMF/BLU;FBBD/BLU;FBPN/com.facebook.katana;FBDV/Studio Mini 2023;FBSV/12;FBOP/1;FBCA/armeabi-v7a:armeabi;] Facebook 555 Studio Mini (2023)
Mozilla/5.0 (Linux; Android 12; CPH2161 Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/147.0.7727.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/560.0.0.55.69;] Facebook 560 A73 5G
Mozilla/5.0 (Linux; Android 12; SHW-M130L Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/140.0.0.0 Mobile Safari/537.36 Chrome Webview 140 SHW-M130L
Mozilla/5.0 (Linux; U; Android 12; zh-cn; JLN-AL00 Build/HUAWEIJLN-AL00) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 MQQBrowser/12.1 Mobile Safari/537.36 QQ Browser 12 Nova 9 SE
Mozilla/5.0 (Linux; Android 12; V2050 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/147.0.7727.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/560.0.0.55.69;] Facebook 560 V21 5G
Instagram 427.0.0.47.73 Android (31/12; 280dpi; 720x1560; samsung; SM-M115F; m11q; qcom; en_GB; 954603208) Instagram 427 Galaxy M11
Mozilla/5.0 (Linux; Android 12; AC2001 Build/RP1A.201005.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.160 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/561.0.0.3.67;] Facebook 561 Nord 5G
Mozilla/5.0 (Linux; Android 12.1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/33.0.801.0 Safari/535.1 Chrome 33 Unknown
Mozilla/5.0 (Linux; Android 12; V2204 Build/SP1A.210812.003) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.163 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/561.0.0.42.67;IABMV/1;] Facebook 561 Y16
Mozilla/5.0 (Linux; Android 12; TPM191E Build/STT2.230526.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/147.0.7727.137 Mobile Safari/537.36 Chrome Webview 147 TPM191E
Mozilla/5.0 (Linux; Android 12; Multilaser_G_Pro_3S Build/V8_20230627) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.163 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/561.0.0.42.67;IABMV/1;] Facebook 561 Unknown
Mozilla/5.0 (Linux; Android 12; SM-F415F Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.160 Mobile Safari/537.36 Instagram 429.1.0.44.70 Android (31/12; 420dpi; 1080x2340; samsung; SM-F415F; f41; exynos9611; pt_BR; 968419442; IABMV/1) Instagram 429 Galaxy F41
Mozilla/5.0 (Linux; Android 12; LM-K520 Build/SKQ1.211103.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.160 Mobile Safari/537.36 Instagram 429.1.0.44.70 Android (31/12; 280dpi; 720x1600; LGE/lge; LM-K520; meh35lm; meh35lm; pt_BR; 968419384; IABMV/1) Instagram 429 K52
Mozilla/5.0 (Linux; Android 12.1; Redmi 11) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5600.53 Mobile Safari/537.36 Chrome Mobile 108 Redmi 11
Mozilla/5.0 (Linux; Android 12; Pixel 3 XL Build/SP1A.210812.016.C1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.160 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/561.0.0.3.67;] Facebook 561 Pixel 3 XL
Mozilla/5.0 (Linux; Android 12; motorola edge 20 lite Build/S2RK32.92-11-21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/147.0.7727.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/560.0.0.55.69;] Facebook 560 Edge 20 Lite
Mozilla/5.0 (Linux; Android 12; RMX3195 Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/147.0.7727.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/560.0.0.55.69;] Facebook 560 C25s